Home / 4,555.72-6,291.41-3,143.06

Finding the Fourth Proportional to 4,555.72, 6,291.41 and 3,143.06

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Solution

The fourth proportional to 4,555.72, 6,291.41 and 3,143.06 is: 4,340.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,555.72 : 6,291.41 = 3,143.06 : x
  2. Step 2: Convert to fraction form
    4,555.72/6,291.41 = 3,143.06/x
  3. Step 3: Cross multiply
    4,555.72x = 6,291.41 × 3,143.06
  4. Step 4: Simplify right side
    4,555.72x = 19,774,255.54
  5. Step 5: Solve for x
    x = 19,774,255.54/4,555.72
  6. Step 6: Final answer
    x = 4,340.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.